904536 has 48 divisors (see below), whose sum is σ = 2597400. Its totient is φ = 283392.

The previous prime is 904531. The next prime is 904559. The reversal of 904536 is 635409.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904531) by changing a digit.

904536 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 855 + ... + 1593.

2⁹⁰⁴⁵³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 904536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1298700).

904536 is an abundant number, since it is smaller than the sum of its proper divisors (1692864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

904536 is a wasteful number, since it uses less digits than its factorization.

904536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 904536 is about 951.0709752695. The cubic root of 904536 is about 96.7108689379.

The spelling of 904536 in words is "nine hundred four thousand, five hundred thirty-six".